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1200212203 is a prime number
BaseRepresentation
bin100011110001001…
…1100100011101011
310002122102002121211
41013202130203223
54424223242303
6315032413551
741512430641
oct10742344353
93078362554
101200212203
11566541213
12295b472b7
13161869c48
14b5587191
157057d66d
hex4789c8eb

1200212203 has 2 divisors, whose sum is σ = 1200212204. Its totient is φ = 1200212202.

The previous prime is 1200212191. The next prime is 1200212207. The reversal of 1200212203 is 3022120021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1200212203 is a prime.

It is a super-2 number, since 2×12002122032 = 2881018664460226418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1200212207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600106101 + 600106102.

It is an arithmetic number, because the mean of its divisors is an integer number (600106102).

Almost surely, 21200212203 is an apocalyptic number.

1200212203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200212203 is an equidigital number, since it uses as much as digits as its factorization.

1200212203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1200212203 is about 34644.0789024618. The cubic root of 1200212203 is about 1062.7212041953.

Adding to 1200212203 its reverse (3022120021), we get a palindrome (4222332224).

The spelling of 1200212203 in words is "one billion, two hundred million, two hundred twelve thousand, two hundred three".